1
0
Fork 0
mirror of https://github.com/NixOS/nixos-hardware synced 2024-12-25 19:19:44 +01:00
nixos-hardware/common/cpu/amd/pstate.nix

23 lines
615 B
Nix
Raw Normal View History

{ lib, config, ... }:
let
kver = config.boot.kernelPackages.kernel.version;
in
{
# Enables the amd cpu scaling https://www.kernel.org/doc/html/latest/admin-guide/pm/amd-pstate.html
2022-08-01 14:14:12 +02:00
# On recent AMD CPUs this can be more energy efficient.
2022-07-30 18:21:03 +02:00
imports = [ ./. ];
boot = lib.mkMerge [
(lib.mkIf (
(lib.versionAtLeast kver "5.17")
&& (lib.versionOlder kver "6.1")
) {
kernelParams = [ "initcall_blacklist=acpi_cpufreq_init" ];
kernelModules = [ "amd-pstate" ];
})
(lib.mkIf (lib.versionAtLeast kver "6.1") {
kernelParams = [ "amd_pstate=passive" ];
})
];
2022-07-30 18:21:03 +02:00
}